Planning to use electric UFH for first floor bathrooms. My last experience of this was based on a WarmUp system installed as part of a kitchen refurb by kitchen supplier. It included a thermal probe that switched the system on/off. Worked fine for 3 years and then the probe failed and as it was laid under the ceramic tiles could not be replaced and leaving the system on all the time was too hot so effectively never got used.
Reading other threads I guess I could have replaced thermostat control with a timer control but never really got round to it and heating was not essential in the kitchen. But for new bathrooms will be primary source of heat so need a reliable control solution that will work for more than 3 years! Any recommendations welcome.